also new, multiple people are in the hospital after two separate shootings in california. the first at a halloween party on the campus at usc. two people are in custody. the second shooting happened in hollywood. three people were hurt after someone fired shots into a crowd. one person is in critical condition. three people have been arrested in that case. >> right now, federal agents from as far away as indiana are looking for a man who threw three pipe bombs at homes in northern virginia. this is the man they are looking for. lawrence stewart ii through the bombs into homes on tuesday. they believe he was targeting his ex-girlfriend and two law enforcement officers. police warn the 25-year-old stewart could be armed and dangerous. >> we believe this person is extremely dangerous. we know that he is armed. we believe that he is still carrying explosive devices with him. he's already demonstrated he's capable of committing murder or attempting to commit murder. we have no reason to believe he is going to stop. >> he's facing eight charges, including capital murder of an of